What's neat is that they can maintain angular momentum indefinitely.

最酷的是它可以永久性地保持。

The Green challenge is to take their momentum deeper into Germany and Europe.

绿党面临的挑战是将自己的势头深入到德国乃至欧洲。

I think the idea is gaining momentum.

我认为这个想法正在增强。

At that moment, we talk about momentum.

在那一瞬间，我们谈到了力。

So Joe Biden seems to have the momentum now.

乔·拜登现在似乎势头强劲。

As it did, angular momentum became important.

随着它的，变得重要起来。

The pressure is to keep the momentum and the ambition and I think people are hopeful.

我们要做的就是保持这种势头和冲劲，人们对此次大会抱有希望。

But can Twitter keep the momentum going?

但问题在于推特可以继续保持势头吗?

I'm excited to see that momentum keep building, keep growing.

我期待看到这股力持续累积、持续成长。

I have all my momentum coming this way.

而我所有的力都是朝这边的。

That's called conservation of angular momentum.

这称为「守恒定律」。

He pledged to maintain momentum in the fight against pollution.

他承诺将继续全力抗击污染。

The economy is gaining momentum and enterprises are making profit.

经济增长势头良好，企业盈利增加。

The momentum had just been building.

势头刚刚形成。

They're going to have to stop his momentum at some point.

他们将不得不在某个时候阻止他的势头。

Today's momentum will carry you into a productive tomorrow.

今天的力将带你进入一个高效的明天。

That it's clear the momentum towards an agreement is there.

不过各方已有达成协议的势头，这一点比较明确。

The episode has given new momentum to the district of Columbia's long-running effort to become a state.

这一事件给哥伦比亚特区成为一个州的长期努力带来了新的力。

Momentums hope to fuel candidates in next year's parliamentary election.

为候选人在明年的议会选举中助威的势头越来越强劲。

But momentum does start to matter and Trump is starting to pull away.

但这种势头至关重要，特朗普可能会顺着这样的潮流与其他人拉开距离，与希拉里展开终极对决。